This will allow more advanced processing when writing the cpp replay
for a specific parmeter. For the uniform locations map it'll allow us
to look up the specified program from the call parameters.

Bug: angleproject:4411
Change-Id: I4e91b3e4c6775c42140d00b2d155344b553a7404
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2067629Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>